Berthold I Von Diessen-Schwarzenburg
Berthold I was born about 1030.  He died about 1090.

 Richgard Von Sponheim
Richgard was born about 1044 in Sponheim, Rhineland-Palatinate, Prussia.  She died on April 10th, 1130.

 Engelbert Von Schwarzenburg
Engelbert was born in Schwarzenburg, Mittelfranken, Bavaria.